Patent US2728277A successfully refreshed from Google Patents.
US2728277A
Expired / Lapsed
US
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Soil compaction machine
Assignee: Individual
•
Filing: 1952-12-18
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Granted: 1955-12-27
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Expires: 1972-12-18
Abstract
No abstract record available.
Inventors
- 👤 John L Mcrae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:29
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/074; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/28; E01C19/281; E01C19/286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |